package com.vite.mybatisplus.config;

import org.apache.ibatis.io.VFS;
import org.apache.ibatis.plugin.Interceptor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.DefaultResourceLoader;

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.autoconfigure.SpringBootVFS;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.BlockAttackInnerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.OptimisticLockerInnerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean;
import com.github.pagehelper.PageInterceptor;
import com.github.pagehelper.autoconfigure.PageHelperStandardProperties;
import com.vite.common.service.mybatis.CreateSqlSessionFactory;
import com.vite.common.utils.MybatisUtils;
import com.vite.common.utils.StringUtils;

/**
 * Mybatis Plus 配置
 */
@Configuration
public class MybatisPlusConfig {
    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        // 分页插件
        interceptor.addInnerInterceptor(paginationInnerInterceptor());
        // 乐观锁插件
        interceptor.addInnerInterceptor(optimisticLockerInnerInterceptor());
        // 阻断插件
        interceptor.addInnerInterceptor(blockAttackInnerInterceptor());
        return interceptor;
    }

    /**
     * 分页插件，自动识别数据库类型 <a href="https://baomidou.com/guide/interceptor-pagination.html"/a>
     */
    public PaginationInnerInterceptor paginationInnerInterceptor() {
        PaginationInnerInterceptor paginationInnerInterceptor = new PaginationInnerInterceptor();
        // 设置数据库类型为mysql
        paginationInnerInterceptor.setDbType(DbType.MYSQL);
        // 设置最大单页限制数量，默认 500 条，-1 不受限制
        paginationInnerInterceptor.setMaxLimit(-1L);
        return paginationInnerInterceptor;
    }

    /**
     * 乐观锁插件 <a href="https://baomidou.com/guide/interceptor-optimistic-locker.html"/a>
     */
    public OptimisticLockerInnerInterceptor optimisticLockerInnerInterceptor() {
        return new OptimisticLockerInnerInterceptor();
    }

    /**
     * 如果是对全表的删除或更新操作，就会终止该操作
     * <a href="https://baomidou.com/guide/interceptor-block-attack.html"/a>
     */
    public BlockAttackInnerInterceptor blockAttackInnerInterceptor() {
        return new BlockAttackInnerInterceptor();
    }

    @Bean
    public CreateSqlSessionFactory createSqlSessionFactory(PageHelperStandardProperties packageHelperStandardProperties) {
        return (env, dataSource) -> {
            String typeAliasesPackage = env.getProperty("mybatis-plus.typeAliasesPackage");
            String mapperLocations = env.getProperty("mybatis-plus.mapperLocations");
            String configLocation = env.getProperty("mybatis-plus.configLocation");
            typeAliasesPackage = MybatisUtils.setTypeAliasesPackage(typeAliasesPackage);
            VFS.addImplClass(SpringBootVFS.class);

            final MybatisSqlSessionFactoryBean sessionFactory = new MybatisSqlSessionFactoryBean();
            sessionFactory.setPlugins(new Interceptor[] { mybatisPlusInterceptor() });
            sessionFactory.setDataSource(dataSource);
            sessionFactory.setTypeAliasesPackage(typeAliasesPackage);
            sessionFactory.setMapperLocations(
                    MybatisUtils.resolveMapperLocations(StringUtils.split(mapperLocations, ",")));
            sessionFactory.setConfigLocation(new DefaultResourceLoader().getResource(configLocation));
            PageInterceptor interceptor = new PageInterceptor();
            interceptor.setProperties(packageHelperStandardProperties.getProperties());
            sessionFactory.addPlugins(interceptor);
            return sessionFactory.getObject();
        };
    }

}
